prepare_dl.py

from pyserini.search import get_topics, get_qrels
import json


topics = get_topics('dl19-passage')
qrels = get_qrels('dl19-passage')
with open('dl19.jsonl', 'w') as f:
    for topic_id in qrels:
        query_id = topic_id
        query = topics[query_id]['title']
        positive_passages = []
        negative_passages = []
        f.write(json.dumps({
            'query_id': str(query_id),
            'query': query,
            'positive_passages': positive_passages,
            'negative_passages': negative_passages,
        }) + '\n')